html, body {
  margin: 0;
  padding: 0;
  height: 100%;
  font-family: Arial, sans-serif;
}

#app {
  height: 100%;
}

.el-container {
  height: 100%;
}

.el-aside {
  background-color: #304156;
}

.el-menu {
  border-right: none;
}

.el-main {
  padding: 20px;
  background-color: #f0f2f5;
}
